fix a spelling mistake the spell checker didn't catch
.PP
.B \-p
.I profession
-can be used to determine the character profession, also know as the role.
+can be used to determine the character profession, also known as the role.
You can specify either the male or female name for the character role, or
the first three characters of the role as an abbreviation.
.B "\-p \@"
left out.
-p profession can be used to determine the character profession,
- also know as the role. You can specify either the male or female
+ also known as the role. You can specify either the male or female
name for the character role, or the first three characters of the
role as an abbreviation. -p @ has been retained to explicitly
request that a random role be chosen. It may need to be quoted